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 Low pass filter 
G0IUW
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Joined: Wed Nov 25, 2009 12:27 pm
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Location: Nr Gloucester IO81VR
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Post Low pass filter
Back a while I found a website, which I can no longer find, showing a calculator for a simple Low pass filter.
This designs used just capacitors and resistors.

I need a LPF to cut-off everything above 500kHz.

Anyone have any designs?

Roger G0IUW
Sat Aug 03, 2019 3:02 pm
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 Low pass filter 
G0JUR
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Joined: Fri Apr 13, 2012 9:20 pm
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Location: Spalding Lincolnshire IO92WT
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Post Re: Low pass filter
This help? http://sim.okawa-denshi.jp/en/CRlowkeisan.htm

_________________
Neill
Its not the class of licence the amateur holds thats important but the class of bias the prat applies to his amplifier

Sat Aug 03, 2019 5:43 pm
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 Low pass filter 
G0IUW
Contributor 2019

Joined: Wed Nov 25, 2009 12:27 pm
Posts: 1076
Location: Nr Gloucester IO81VR
Feedback: 30 (100%)
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Post Re: Low pass filter
Yes,
Thank you Neill
Sun Aug 04, 2019 12:54 am
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